85667311 has 8 divisors (see below), whose sum is σ = 86364800. Its totient is φ = 84972888.

The previous prime is 85667299. The next prime is 85667317. The reversal of 85667311 is 11376658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85667311 - 2⁵ = 85667279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85667317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108460 + ... + 109246.

It is an arithmetic number, because the mean of its divisors is an integer number (10795600).

Almost surely, 2^85667311 is an apocalyptic number.

85667311 is a deficient number, since it is larger than the sum of its proper divisors (697489).

85667311 is a wasteful number, since it uses less digits than its factorization.

85667311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its digits is 30240, while the sum is 37.

The square root of 85667311 is about 9255.6637255250. The cubic root of 85667311 is about 440.8305781881.

The spelling of 85667311 in words is "eighty-five million, six hundred sixty-seven thousand, three hundred eleven".